Francis, Simon
University of Hull, Centre for South-East Asian Studies, 1993
Buku Referensi
Sambrook, G.A.
Longmans, Green, 1947
Buku Teks
compiled by Ssu-yu Teng and Knight Biggerstaff
Harvard University Press, 1950
Buku Referensi
Greenbaum, Sidney
Longman , 1990
Buku Teks
Ron White...[et al.]
Cambridge University Press , 1991
Buku Teks